877
| Years: 873 874 875 876 - 877 - 878 879 880 881 | |
| Decades: 840s 850s 860s - 870s - 880s 890s 900s | |
| Centuries: 8th century - 9th century - 10th century | |
Events
- The Danes take Exeter
- Indravarman II succeeds Jayavarman III as ruler of the Khmer Empire.
Deaths
- October 6: Charles the Bald, king of the western Franks and western emperor
- Constantine I, King of the Scots and Picts; succeeded by Aedh Whitefoot.